CN111322803A

CN111322803A - Portable 48 hole low temperature sample hutch

Info

Publication number: CN111322803A
Application number: CN202010162611.1A
Authority: CN
Inventors: 张科; 彭翠珍; 邱渊浩; 齐金旭; 夏西超; 李臻; 刘伍限
Original assignee: Pingdingshan University
Current assignee: Pingdingshan University
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-06-23
Anticipated expiration: 2040-03-10
Also published as: CN111322803B

Abstract

The invention discloses a portable hole low-temperature sample storage box, which relates to the technical field of detection instruments and comprises a low-temperature box and an electrical appliance box, wherein the upper ends of four connecting posts are fixedly connected with rubber bags, two inner side walls of the low-temperature box are respectively provided with an electric slide rail, the interiors of the two electric slide rails are respectively connected with an ice crystal storage rack in a sliding manner, and the inner bottom wall of the low-temperature box is provided with a cold air box. The electric appliance box is convenient for charging the battery after being detached independently by arranging the supporting legs, the connecting columns and the rubber bags, the box cover does not need to be opened when a small amount of samples need to be taken out by arranging the electric slide rails, the ice crystal storage rack and the springs, the low-temperature environment is favorably kept, the air flow disturbance is large by arranging the air guide plates, the rotary disc and the air baffle plate, the cold air is distributed more uniformly, the temperature difference in the upper direction, the lower direction, the inner direction and the outer direction is reduced, and the temperature of the samples is reduced within a certain time by arranging the ice crystal storage rack and the ice crystal box.

Description

Portable 48 hole low temperature sample hutch

Technical Field

The invention relates to the technical field of detection instruments, in particular to a portable 48-hole low-temperature sample storage box.

Background

In the testing process, sample through using the sample bottle, generally can sample many times, in order to avoid error interference, consequently, the sampling bottle quantity that detects at every turn and use is more and not of uniform size, the sample bottle is made by the glass material usually, this just leads to the sampling bottle to carry the trouble, easy mutual collision causes the damage, need preserve under microthermal environment after the sample bottle sampling, but current fridge, mostly, keep warm through ice-cube and ice bag, heat retaining time is not long, and the effect is not good, although set up the refrigerator in the partial cryogenic sample hutch, but need last mains supply, otherwise can not guarantee cryogenic environment, furthermore, current fridge heat preservation effect is not good, lead to the easy outside transmission of air conditioning, when needs take out single sample, common way does: and opening the whole box cover, then taking out the target sample, and taking out the target sample for multiple times can lead to cold air dissipation, so that the environmental temperature of the sample does not reach the standard.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the portable 48-hole low-temperature sample storage box which has the advantages of good heat preservation effect, convenience in sample taking, convenience in carrying and the like, and solves the problems of poor heat preservation effect, more cold air dissipation when samples are taken out, and inconvenience in use.

(II) technical scheme

In order to achieve the purposes of good heat preservation effect, convenient sample taking and convenient carrying, the invention provides the following technical scheme: including cryobox and electrical apparatus case, the upper portion fixedly connected with connecting plate of electrical apparatus case, four spliced poles of last fixed surface of connecting plate are connected with, four the equal fixedly connected with rubber bag in upper end of spliced pole, two inside walls of cryobox all are equipped with electronic slide rail, two the equal sliding connection in inside of electronic slide rail has the ice crystal to store the frame, the interior diapire of cryobox is equipped with the cold wind case.

Preferably, the lower surface of the low-temperature box is fixedly connected with four supporting legs, the four supporting legs are internally provided with conductive coils, the four rubber capsules are internally provided with magnetorheological fluid, and the four connecting columns are respectively inserted into the four supporting legs.

Preferably, the inner bottom wall of the ice crystal storage rack is fixedly connected with a plurality of springs, and the upper ends of the springs are fixedly connected with push plates.

Preferably, the air pipe has been pegged graft to the inner bottom wall of cold-blast box, the inner bottom wall fixedly connected with cold air water conservancy diversion box of cold-blast box, the exhaust hole has all been seted up to upper surface, the lateral surface of cold air water conservancy diversion box and the upper surface of cold-blast box, a plurality of aviation baffles of the interior roof fixedly connected with of cold-blast box, the middle part of cold-blast box upper surface rotates and is connected with the carousel, the lower fixed surface of carousel is connected with the axis of rotation, a plurality of connecting plates of lower extreme fixedly connected with of axis of rotation, it is a plurality of the equal fixedly connected with deep bead of one end.

Preferably, the inner bottom wall of the electrical box is provided with a battery and a refrigerator, the refrigerator is fixedly connected with a gas pipe, one side of the electrical box is fixedly connected with a dust screen, and the other side of the electrical box is provided with a charging socket.

Preferably, the outer side wall of the low-temperature box and the inner bottom wall of the low-temperature box are both provided with heat insulation layers, the heat insulation layers are made of polyurethane, and the upper portion of the low-temperature box is hinged with a box cover.

Preferably, the inner top wall of the box cover is fixedly connected with an ice crystal box, 48 sample extraction holes are formed in the ice crystal box, 48 top covers are connected to the inner threads of the upper surface of the box cover in a threaded mode, and the diameters of the sample extraction holes are equal to the diameters of the top covers.

(III) advantageous effects

Compared with the prior art, the invention provides a portable 48-hole low-temperature sample storage box which has the following beneficial effects:

1. the portable hole low-temperature sample storage box is characterized in that the support legs, the connecting columns and the rubber bags are matched, when a sample in the low-temperature box needs to be cooled, the low-temperature box is placed on the upper surface of the connecting plate, the connecting columns are inserted into the support legs, after the conductive coil is electrified, magnetorheological fluid in the rubber bags becomes solid, the low-temperature box is connected with the electric box, after the conductive coil is powered off, the magnetorheological fluid becomes liquid, the electric box can be taken out independently, on one hand, the low-temperature box is convenient to carry and carry, on the other hand, after the electric box is detached independently, the battery can be charged conveniently, in addition, by arranging the electric slide rail, the ice crystal storage rack and the spring, when a single sample needs to be taken out, the top cover on the upper portion of the sample is unscrewed, the electric slide rail drives the ice crystal storage rack to ascend, the sample needing to be taken out extends into the, the push pedal moves down, and the spring shrink avoids the sample that need not to take out impaired, compares in traditional low temperature sample hutch, and this hutch need not to open the case lid when a small amount of samples need be taken out, and the outside dissipation of air conditioning is less, helps keeping low temperature environment.

2. The portable hole low-temperature sample storage box is provided with the air deflector, the turntable and the air deflector, when the storage box is used in a high-temperature environment in summer, the rotary disc is rotated, the rotary shaft and the connecting plate are rotated, the wind shield is far away from the exhaust holes, partial cold air is exhausted from the exhaust holes on the inner side wall of the cold air diversion box, the cold air box is discharged along the air deflector to form a spiral air flow, a plurality of strands of cold air spirally run in the low-temperature box, the air flow disturbance is large, the distribution of the cold air is more uniform, the temperature difference in the upper and lower directions and in and out directions is reduced, the low-temperature storage effect is better, the quality of a sample is ensured, in addition, by arranging the ice crystal storage rack and the ice crystal box, when there is not sufficient air conditioning cooling, the ice crystal storage rack releases the cold energy of its inside storage, cools down for the sample in a certain time, and the ice crystal box helps reducing the heat downward transfer of outside top.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the supporting leg of the present invention;

FIG. 4 is a schematic cross-sectional structural view of a cooling air box according to the present invention;

fig. 5 is a schematic perspective view of the cooling air box of the present invention.

In the figure: 1. a low temperature chamber; 2. an electrical box; 3. a connecting plate; 4. supporting legs; 5. connecting columns; 6. a rubber bladder; 7. magnetorheological fluid; 8. a conductive coil; 9. an electric slide rail; 10. an ice crystal storage shelf; 11. a spring; 12. pushing the plate; 13. a cold air box; 14. a gas delivery pipe; 15. a cold gas diversion box; 16. an exhaust hole; 17. an air deflector; 18. a turntable; 19. a rotating shaft; 20. a connecting plate; 21. a wind deflector; 22. a battery; 23. a refrigerator; 24. a dust screen; 25. a charging jack; 26. a heat-insulating layer; 27. a box cover; 28. an ice crystal box; 29. a sample extraction aperture; 30. and a top cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a portable 48-hole low-temperature sample storage box comprises a low-temperature box 1 and an electric appliance box 2, wherein a display screen is arranged on one side of the low-temperature box 1, a temperature sensor is arranged on the upper portion of one side of the display screen, the display screen and the temperature sensor are both electrically connected with a controller through leads, four supporting legs 4 are fixedly connected to the lower surface of the low-temperature box 1, conductive coils 8 are arranged inside the four supporting legs 4, the conductive coils 8 are electrically connected with the controller through leads, a connecting plate 3 is fixedly connected to the upper portion of the electric appliance box 2, four connecting columns 5 are fixedly connected to the upper surface of the connecting plate 3, rubber bags 6 are fixedly connected to the upper ends of the four connecting columns 5, magnetorheological fluids 7 are arranged inside the four rubber bags 6, the four connecting columns 5 are respectively inserted into the four supporting legs 4, and are matched with the connecting columns 5 and the rubber bags 6, when a sample in the, the low-temperature box 1 is placed on the upper surface of a connecting plate 3, a connecting column 5 is inserted into supporting legs 4, after a conductive coil 8 is electrified, magnetorheological fluid 7 in a rubber bag 6 becomes solid, the low-temperature box 1 and an electrical appliance box 2 are connected together, after the conductive coil 8 is powered off, the magnetorheological fluid 7 becomes liquid, the electrical appliance box 2 can be taken out independently, on one hand, the low-temperature box 1 is convenient to carry and carry, on the other hand, after the electrical appliance box 2 is detached independently, a battery 22 is convenient to charge, two inner side walls of the low-temperature box 1 are both provided with electric sliding rails 9, the electric sliding rails 9 are electrically connected with a controller through conducting wires, the interiors of the two electric sliding rails 9 are both connected with an ice crystal storage rack 10 in a sliding mode, the interiors of the ice crystal storage racks 10 are provided with 48 sample placing holes, the 48 sample placing holes are divided into 3 groups, the volumes of the 3 groups of sample placing holes are respectively 2ml, the inner bottom wall of the ice crystal storage rack 10 is fixedly connected with a plurality of springs 11, the upper ends of the springs 11 are fixedly connected with a push plate 12, the electric slide rail 9, the ice crystal storage rack 10 and the springs 11 are arranged, when a single sample needs to be taken out, a top cover 30 on the upper portion of the sample is screwed off, the electric slide rail 9 drives the ice crystal storage rack 10 to ascend, the sample needing to be taken out extends into a sample extraction hole 29, the sample needing not to be taken out is abutted to the lower surface of the top cover 30, the push plate 12 moves downwards, the springs 11 shrink, the sample needing not to be taken out is prevented from being damaged, compared with the traditional low-temperature sample storage box, when a small amount of samples need to be taken out, the box cover 27 does not need to be opened, cold air is less dissipated outwards, the low-temperature environment is favorably kept, the inner bottom wall of the low-temperature box 1 is provided with a cold air box 13, the inner bottom wall of the, the upper surface, the outer side surface and the upper surface of the cold air guiding box 15 are all provided with exhaust holes 16, the inner top wall of the cold air box 13 is fixedly connected with a plurality of air deflectors 17, the middle part of the upper surface of the cold air box 13 is rotatably connected with a turntable 18, the lower surface of the turntable 18 is fixedly connected with a rotating shaft 19, the lower end of the rotating shaft 19 is fixedly connected with a plurality of connecting plates 20, one ends of the connecting plates 20 are all fixedly connected with wind deflectors 21, when the flow disturbance of the cold air is not needed, the wind deflectors 21 can block the cold air from being exhausted from the exhaust holes 16 on the inner side wall of the cold air guiding box 15, so that the kinetic energy of the vertically and upwardly running cold air is increased, the whole low-temperature box 1 is quickly filled with the cold air, when the storage box is used in a high-temperature environment in summer, the ice crystal storage rack 10 is taken down, the turntable, the wind shield 21 is far away from the exhaust hole 16, after part of the cold air is exhausted from the exhaust hole 16 on the inner side wall of the cold air diversion box 15, the cold air is exhausted out of the cold air box 13 along the wind shield 17, and then the air flow of the spiral motion is formed, a plurality of strands of cold air spirally run in the low-temperature box 1, the air flow disturbance is large, the distribution of the cold air is more uniform, the temperature difference in the upper, lower, inner and outer directions is reduced, the effect of low-temperature storage is better, the quality of a sample is ensured, the inner bottom wall of the electric appliance box 2 is provided with the battery 22 and the refrigerator 23, the battery 22 and the refrigerator 23 are both electrically connected with the controller through leads, the battery 22 is arranged, the device is convenient to be used in the environment without commercial power supply, the refrigerator 23 is fixedly connected with the air pipe 14, one side of the electric appliance box 2 is fixedly connected with the dust screen 24, insulating layer 26 is made by polyurethane, the upper portion of low-temperature box 1 articulates there is case lid 27, one side of case lid 27 is equipped with the buckle, the interior roof fixedly connected with ice crystal box 28 of case lid 27, the inside of ice crystal box 28 and ice crystal storage frame 10 has all been injected with sodium polyacrylate liquid, the middle part of ice crystal box 28 lower surface is equipped with temperature sensor, temperature sensor and controller electric connection, store frame 10 and ice crystal box 28 through setting up the ice crystal, when not having sufficient air conditioning cooling, ice crystal storage frame 10 releases the cold volume of its inside storage, cool down for the sample in the certain time, ice crystal box 28 helps reducing the heat downward transmission of outside top, 48 sample extraction holes 29 have been seted up to ice crystal box 28's inside, the inside threaded connection of case lid 27 upper surface has 48 top covers 30, the diameter of sample extraction hole 29 all equals the diameter of top cover 30.

When the device is used, a charging plug is inserted into the charging socket 25 to charge the battery 22, when a sample needs to be stored, a buckle on one side of the box cover 27 is opened, the sample is respectively placed in sample placing holes with different thicknesses in the ice crystal storage rack 10 according to the size, after the placement is finished, the box cover 27 is closed, the device is started, the refrigerator 23 utilizes the electric energy in the battery 22 to prepare cold air, the cold air is conveyed into the air conveying pipe 14, the cold air moves upwards and enters the cold air diversion box 15 at the lower part of the cold air box 13, the cold air is conveyed to the lower part of the ice crystal storage rack 10 through the cold air diversion box 15 and the air exhaust hole 16 on the upper surface of the cold air box 13, the temperature of the ice crystal storage rack 10 and the air is reduced, the temperature of the sample is reduced along with the cold air, the temperature sensor in the middle part of the lower surface of the ice crystal box 28 monitors the, the controller controls the display screen to display the temperature value in the low-temperature box 1, the temperature sensor above one side of the display screen measures and calculates the temperature outside the device in real time and transmits a temperature signal to the controller, the controller controls the display screen to display the temperature in the external environment of the device, when all samples need to be taken out, the box cover 27 is opened to take out the samples, when a single sample needs to be taken out, the top cover 30 on the upper part of the sample is unscrewed, a single sample taking-out request is input through the display screen, after the controller receives the signal, the electric slide rail 9 is controlled to be started, the electric slide rail 9 drives the ice crystal storage rack 10 to ascend, the sample needing to be taken out extends into the sample taking-out hole 29, the top cover 30 is unscrewed to take out the target sample, the sample does not need to be taken out to abut against the lower surface of the top cover 30, the push plate 12 moves downwards, the spring 11 contracts, and, compared with the conventional low-temperature sample storage box, the storage box does not need to open the box cover 27 when a small amount of samples need to be taken out, so that the cold air is less dissipated outwards, the low-temperature environment is favorably kept, and the electric quantity of the battery 22 is prevented from being exhausted quickly.

The working principle and the beneficial effects of the invention are as follows: in summary, through the matching arrangement among the supporting legs 4, the connecting column 5 and the rubber bag 6, when a sample in the low-temperature box 1 needs to be cooled, the low-temperature box 1 is placed on the upper surface of the connecting plate 3, the connecting column 5 is inserted into the supporting legs 4, after the conductive coil 8 is powered on, the magnetorheological fluid 7 in the rubber bag 6 becomes solid, the low-temperature box 1 and the electrical appliance box 2 are connected together, after the conductive coil 8 is powered off, the magnetorheological fluid 7 becomes liquid, the electrical appliance box 2 can be taken out independently, on one hand, the low-temperature box 1 is convenient to carry and carry, on the other hand, after the electrical appliance box 2 is detached independently, the battery 22 is convenient to charge, in addition, through the arrangement of the electric slide rail 9, the ice crystal storage rack 10 is lifted by screwing off the top cover 30 on the upper part of the sample when a single sample needs to be taken out, the sample needing to be taken out extends into the sample extraction hole 29, compared with the traditional low-temperature sample storage box, the storage box needs not to open the box cover 27 when a small amount of samples need to be taken out, the cold air is less dissipated outwards, the low-temperature environment is favorably kept, the ice crystal storage rack 10 is taken down, the rotary disc 18, the rotary shaft 19 and the connecting plate 20 rotate to ensure that the wind shield 21 is far away from the exhaust hole 16 when the storage box is used in the high-temperature environment in summer by arranging the wind guide plate 17, the rotary disc 18 and the wind shield 21, part of the cold air is exhausted from the exhaust hole 16 on the inner side wall of the cold air guide box 15 and is exhausted out of the cold air box 13 along the wind guide plate 17 to form spiral air flow, and a plurality of cold air flows spirally run in the low-temperature box 1, the air flow disturbance is large, so that the cold air is more uniformly distributed, reduce the difference in temperature in upper and lower and inside and outside direction, the effect of low temperature storage is better, ensures the quality of sample, in addition, through setting up ice crystal storage rack 10 and ice crystal box 28, when insufficient air conditioning cooling, ice crystal storage rack 10 releases the cold volume of its inside storage, cools down for the sample in a certain time, and ice crystal box 28 helps reducing the heat downwardly transferring of outside top.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable 48 hole cryogenic specimen hutch, includes cryobox (1) and electrical apparatus case (2), its characterized in that: the upper portion fixedly connected with connecting plate (3) of electrical apparatus case (2), four spliced poles (5) of last fixed surface of connecting plate (3), four equal fixedly connected with rubber bag (6) in upper end of spliced pole (5), two inside walls of cryogenic box (1) all are equipped with electronic slide rail (9), two the equal sliding connection in inside of electronic slide rail (9) has the ice crystal to store frame (10), the inner diapire of cryogenic box (1) is equipped with air-cooler (13).

2. The portable 48-well cryogenic sample storage container of claim 1, wherein: the lower surface of the low-temperature box (1) is fixedly connected with four supporting legs (4), the interior of each supporting leg (4) is provided with a conductive coil (8), the interior of each rubber bag (6) is provided with magnetorheological fluid (7), and the four connecting columns (5) are respectively inserted into the interior of the four supporting legs (4).

3. The portable 48-well cryogenic sample storage container of claim 1, wherein: the inner bottom wall of the ice crystal storage rack (10) is fixedly connected with a plurality of springs (11) and a plurality of push plates (12) are fixedly connected to the upper ends of the springs (11).

4. The portable 48-well cryogenic sample storage container of claim 1, wherein: air pipe (14) are inserted into the inner bottom wall of cold air box (13), exhaust holes (16) are formed in the inner bottom wall of the cold air box (13) and fixedly connected with a cold air flow guiding box (15), the upper surface and the outer side surface of the cold air flow guiding box (15) and the upper surface of the cold air box (13), a plurality of air deflectors (17) are fixedly connected to the inner top wall of the cold air box (13), a rotating disc (18) is rotatably connected to the middle of the upper surface of the cold air box (13), a rotating shaft (19) is fixedly connected to the lower surface of the rotating disc (18), a plurality of connecting plates (20) are fixedly connected to the lower end of the rotating shaft (19), and a plurality of wind deflectors (21) are fixedly connected to the one end of each connecting plate (.

5. The portable 48-well cryogenic sample storage container of claim 1, wherein: the inner bottom wall of the electric appliance box (2) is provided with a battery (22) and a refrigerator (23), the refrigerator (23) is fixedly connected with a gas conveying pipe (14), one side of the electric appliance box (2) is fixedly connected with a dust screen (24), and the other side of the electric appliance box (2) is provided with a charging socket (25).

6. The portable 48-well cryogenic sample storage container of claim 1, wherein: the inner parts of the outer side wall and the inner bottom wall of the low-temperature box (1) are respectively provided with a heat insulation layer (26), the heat insulation layers (26) are made of polyurethane, and the upper part of the low-temperature box (1) is hinged with a box cover (27).

7. The portable 48-well cryogenic sample storage bin of claim 6, wherein: the utility model discloses a refrigerator, including case lid (27), box lid (27), internal roof fixedly connected with ice crystal box (28), 48 sample extraction holes (29) have been seted up to the inside of ice crystal box (28), the internal thread of case lid (27) upper surface has 48 top covers (30), the diameter of sample extraction hole (29) is equalling in the diameter of top cover (30).